package com.cscp.javastudy.designpattern.singleton.demo1;

/**
 * 静态内部类实现
 */
public class Holder {

    private Holder() {
    }

    public static Holder getInstance(){
        return InnerClass.HOLDER;
    }

    public static class InnerClass {
        private static final Holder HOLDER = new Holder();
    }

}
